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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __USBAUDIO_PCM_H
#define __USBAUDIO_PCM_H
void snd_usb_set_pcm_ops(struct snd_pcm *pcm, int stream);
int snd_usb_pcm_suspend(struct snd_usb_stream *as);
int snd_usb_pcm_resume(struct snd_usb_stream *as);
bool snd_usb_pcm_has_fixed_rate(struct snd_usb_substream *as);
int snd_usb_init_pitch(struct snd_usb_audio *chip,
const struct audioformat *fmt);
void snd_usb_preallocate_buffer(struct snd_usb_substream *subs);
int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip,
struct audioformat *fmt);
const struct audioformat *
snd_usb_find_format(struct list_head *fmt_list_head, snd_pcm_format_t format,
unsigned int rate, unsigned int channels, bool strict_match,
struct snd_usb_substream *subs);
const struct audioformat *
snd_usb_find_substream_format(struct snd_usb_substream *subs,
const struct snd_pcm_hw_params *params);
int snd_usb_hw_params(struct snd_usb_substream *subs,
struct snd_pcm_hw_params *hw_params);
int snd_usb_hw_free(struct snd_usb_substream *subs);
#endif /* __USBAUDIO_PCM_H */
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